package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.Statement;

public class RegDemo {
    public static void main(String[] args) throws Exception {
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(), "欢迎注册","注册");
        System.out.println(userInfo);
        Class.forName("com.mysql.cj.jdbc.Driver");

        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );

        //System.out.println("成功连接数据库");

        Statement statement = connection.createStatement();

        String sql = "INSERT INTO userinfo(username,password,nickname,age) " +
                "VALUES('"+userInfo.getUsername()+"','"+userInfo.getPassword()+"','"+userInfo.getNickname()+"',"+userInfo.getAge()+")";

        System.out.println(sql);

//        PreparedStatement preparedStatement = connection.prepareStatement(sql);
//        preparedStatement.setString(1, userInfo.getUsername());
//        preparedStatement.setString(2, userInfo.getPassword());
//        preparedStatement.setString(3, userInfo.getNickname());
//        preparedStatement.setInt(4, userInfo.getAge());
//        System.out.println(preparedStatement.executeUpdate());


//        int num = statement.executeUpdate(sql);
//        if (num > 0) {
//            System.out.println("插入成功");
//        }
        int num = statement.executeUpdate(sql);
        if (num > 0) {
            System.out.println("插入成功");
        }

        connection.close();
    }
}
